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1072356 = 22389363
BaseRepresentation
bin100000101110011100100
32000110222220
410011303210
5233303411
634552340
712054255
oct4056344
92013886
101072356
1167274a
124386b0
132b713c
141dcb2c
15162b06
hex105ce4

1072356 has 12 divisors (see below), whose sum is σ = 2502192. Its totient is φ = 357448.

The previous prime is 1072339. The next prime is 1072363. The reversal of 1072356 is 6532701.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10723562 = 2299894781472, which contains 22 as substring.

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, 44670 + ... + 44693.

It is an arithmetic number, because the mean of its divisors is an integer number (208516).

21072356 is an apocalyptic number.

It is an amenable number.

1072356 is an abundant number, since it is smaller than the sum of its proper divisors (1429836).

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

1072356 is a wasteful number, since it uses less digits than its factorization.

1072356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89370 (or 89368 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 1072356 is about 1035.5462326714. The cubic root of 1072356 is about 102.3559268750.

Adding to 1072356 its sum of digits (24), we get a triangular number (1072380 = T1464).

The spelling of 1072356 in words is "one million, seventy-two thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 89363 178726 268089 357452 536178 1072356