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1072956 = 22389413
BaseRepresentation
bin100000101111100111100
32000111211010
410011330330
5233313311
634555220
712056103
oct4057474
92014733
101072956
11673145
12438b10
132b74b1
141dd03a
15162da6
hex105f3c

1072956 has 12 divisors (see below), whose sum is σ = 2503592. Its totient is φ = 357648.

The previous prime is 1072943. The next prime is 1072957. The reversal of 1072956 is 6592701.

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44695 + ... + 44718.

21072956 is an apocalyptic number.

It is an amenable number.

1072956 is an abundant number, since it is smaller than the sum of its proper divisors (1430636).

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

1072956 is a wasteful number, since it uses less digits than its factorization.

1072956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89420 (or 89418 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1072956 is about 1035.8358943385. The cubic root of 1072956 is about 102.3750132312.

The spelling of 1072956 in words is "one million, seventy-two thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 89413 178826 268239 357652 536478 1072956