[go: up one dir, main page]

Search a number
-
+
29097984 = 218337
BaseRepresentation
bin110111100000…
…0000000000000
32000202022221010
41233000000000
524422113414
62515400520
7502220526
oct157000000
960668833
1029097984
1115474823
1298b3140
13604a556
143c16316
15284b959
hex1bc0000

29097984 has 76 divisors (see below), whose sum is σ = 79691624. Its totient is φ = 9437184.

The previous prime is 29097977. The next prime is 29098009. The reversal of 29097984 is 48979092.

It is a happy number.

It is a super-4 number, since 4×290979844 (a number of 31 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786414 + ... + 786450.

It is an arithmetic number, because the mean of its divisors is an integer number (1048574).

Almost surely, 229097984 is an apocalyptic number.

29097984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29097984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39845812).

29097984 is an abundant number, since it is smaller than the sum of its proper divisors (50593640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29097984 is an frugal number, since it uses more digits than its factorization.

29097984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 29097984 is about 5394.2547214606. The cubic root of 29097984 is about 307.5773141571.

The spelling of 29097984 in words is "twenty-nine million, ninety-seven thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 64 74 96 111 128 148 192 222 256 296 384 444 512 592 768 888 1024 1184 1536 1776 2048 2368 3072 3552 4096 4736 6144 7104 8192 9472 12288 14208 16384 18944 24576 28416 32768 37888 49152 56832 65536 75776 98304 113664 131072 151552 196608 227328 262144 303104 393216 454656 606208 786432 909312 1212416 1818624 2424832 3637248 4849664 7274496 9699328 14548992 29097984