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2023957 = 13155689
BaseRepresentation
bin111101110001000010101
310210211100101
413232020111
51004231312
6111214101
723126515
oct7561025
93724311
102023957
1111626a1
12817331
1355b310
143a9845
1529ea57
hex1ee215

2023957 has 4 divisors (see below), whose sum is σ = 2179660. Its totient is φ = 1868256.

The previous prime is 2023951. The next prime is 2023963. The reversal of 2023957 is 7593202.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2023951) and next prime (2023963).

It can be written as a sum of positive squares in 2 ways, for example, as 1179396 + 844561 = 1086^2 + 919^2 .

It is not a de Polignac number, because 2023957 - 27 = 2023829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023951) 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, 77832 + ... + 77857.

It is an arithmetic number, because the mean of its divisors is an integer number (544915).

22023957 is an apocalyptic number.

It is an amenable number.

2023957 is a deficient number, since it is larger than the sum of its proper divisors (155703).

2023957 is a wasteful number, since it uses less digits than its factorization.

2023957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155702.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2023957 is about 1422.6584270302. The cubic root of 2023957 is about 126.4931750707.

The spelling of 2023957 in words is "two million, twenty-three thousand, nine hundred fifty-seven".

Divisors: 1 13 155689 2023957