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1874942157 = 31156816429
BaseRepresentation
bin110111111000001…
…0101100011001101
311211200000221010010
41233300111203031
512314441122112
6510014303433
764314513444
oct15760254315
94750027103
101874942157
118823a0880
12443ab7b79
1323b59c23a
1413b023d5b
15ae90d63c
hex6fc158cd

1874942157 has 8 divisors (see below), whose sum is σ = 2727188640. Its totient is φ = 1136328560.

The previous prime is 1874942149. The next prime is 1874942159. The reversal of 1874942157 is 7512494781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1874942157 - 23 = 1874942149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1874942159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28408182 + ... + 28408247.

It is an arithmetic number, because the mean of its divisors is an integer number (340898580).

Almost surely, 21874942157 is an apocalyptic number.

It is an amenable number.

1874942157 is a deficient number, since it is larger than the sum of its proper divisors (852246483).

1874942157 is a wasteful number, since it uses less digits than its factorization.

1874942157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56816443.

The product of its digits is 564480, while the sum is 48.

The square root of 1874942157 is about 43300.6022706382. The cubic root of 1874942157 is about 1233.0933567588.

It can be divided in two parts, 18749 and 42157, that added together give a palindrome (60906).

The spelling of 1874942157 in words is "one billion, eight hundred seventy-four million, nine hundred forty-two thousand, one hundred fifty-seven".

Divisors: 1 3 11 33 56816429 170449287 624980719 1874942157