Search a number
-
+
1957044 = 223712297
BaseRepresentation
bin111011101110010110100
310200102120010
413131302310
51000111134
6105540220
722430445
oct7356264
93612503
101957044
1111173a1
127a4670
13536a1b
1438d2cc
15289ce9
hex1ddcb4

1957044 has 24 divisors (see below), whose sum is σ = 4632768. Its totient is φ = 642880.

The previous prime is 1957037. The next prime is 1957049. The reversal of 1957044 is 4407591.

It is a happy number.

It is a super-3 number, since 3×19570443 = 22486560133303023552, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (193032).

21957044 is an apocalyptic number.

It is an amenable number.

1957044 is an abundant number, since it is smaller than the sum of its proper divisors (2675724).

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

1957044 is a wasteful number, since it uses less digits than its factorization.

1957044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1957044 is about 1398.9438873665. The cubic root of 1957044 is about 125.0835494768.

The spelling of 1957044 in words is "one million, nine hundred fifty-seven thousand, forty-four".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 2297 4594 6891 9188 13782 27564 163087 326174 489261 652348 978522 1957044