[go: up one dir, main page]

Search a number
-
+
23223480 = 2335727647
BaseRepresentation
bin101100010010…
…1110010111000
31121200212121220
41120211302320
521421122410
62145432040
7401252640
oct130456270
947625556
1023223480
1112122165
12793b620
134a71707
143127520
15208b070
hex1625cb8

23223480 has 64 divisors (see below), whose sum is σ = 79626240. Its totient is φ = 5308032.

The previous prime is 23223467. The next prime is 23223503. The reversal of 23223480 is 8432232.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23223480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12984 + ... + 14663.

It is an arithmetic number, because the mean of its divisors is an integer number (1244160).

Almost surely, 223223480 is an apocalyptic number.

23223480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23223480 is an abundant number, since it is smaller than the sum of its proper divisors (56402760).

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

23223480 is a wasteful number, since it uses less digits than its factorization.

23223480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27668 (or 27664 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 23223480 is about 4819.0745999621. The cubic root of 23223480 is about 285.3048139215.

The spelling of 23223480 in words is "twenty-three million, two hundred twenty-three thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 27647 55294 82941 110588 138235 165882 193529 221176 276470 331764 387058 414705 552940 580587 663528 774116 829410 967645 1105880 1161174 1548232 1658820 1935290 2322348 2902935 3317640 3870580 4644696 5805870 7741160 11611740 23223480