[go: up one dir, main page]

Search a number
-
+
1397352 = 233116779
BaseRepresentation
bin101010101001001101000
32121222210210
411111021220
5324203402
645541120
714606625
oct5251150
92558723
101397352
11874940
125747a0
1339c048
1428534c
151c906c
hex155268

1397352 has 64 divisors (see below), whose sum is σ = 3916800. Its totient is φ = 411840.

The previous prime is 1397339. The next prime is 1397359. The reversal of 1397352 is 2537931.

It is a super-2 number, since 2×13973522 = 3905185223808, which contains 22 as substring.

Its product of digits (5670) is a multiple of the sum of its prime divisors (162).

It is not an unprimeable number, because it can be changed into a prime (1397359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17649 + ... + 17727.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

21397352 is an apocalyptic number.

1397352 is a gapful number since it is divisible by the number (12) 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 1397352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1958400).

1397352 is an abundant number, since it is smaller than the sum of its proper divisors (2519448).

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

1397352 is a wasteful number, since it uses less digits than its factorization.

1397352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 162 counting only the distinct ones).

The product of its digits is 5670, while the sum is 30.

The square root of 1397352 is about 1182.0964427660. The cubic root of 1397352 is about 111.7983190192.

The spelling of 1397352 in words is "one million, three hundred ninety-seven thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 67 79 88 132 134 158 201 237 264 268 316 402 474 536 632 737 804 869 948 1474 1608 1738 1896 2211 2607 2948 3476 4422 5214 5293 5896 6952 8844 10428 10586 15879 17688 20856 21172 31758 42344 58223 63516 116446 127032 174669 232892 349338 465784 698676 1397352