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87374972 = 2221843743
BaseRepresentation
bin1010011010100…
…11110001111100
320002102002221002
411031103301330
5134331444342
612400425432
72110450346
oct515236174
9202362832
1087374972
1145359123
1225318278
1315143189
14b866296
157a0dd32
hex5353c7c

87374972 has 6 divisors (see below), whose sum is σ = 152906208. Its totient is φ = 43687484.

The previous prime is 87374971. The next prime is 87375017. The reversal of 87374972 is 27947378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87374971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10921868 + ... + 10921875.

It is an arithmetic number, because the mean of its divisors is an integer number (25484368).

Almost surely, 287374972 is an apocalyptic number.

It is an amenable number.

87374972 is a deficient number, since it is larger than the sum of its proper divisors (65531236).

87374972 is a wasteful number, since it uses less digits than its factorization.

87374972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21843747 (or 21843745 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 87374972 is about 9347.4580501867. The cubic root of 87374972 is about 443.7404470072.

The spelling of 87374972 in words is "eighty-seven million, three hundred seventy-four thousand, nine hundred seventy-two".

Divisors: 1 2 4 21843743 43687486 87374972