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97001961 = 374619141
BaseRepresentation
bin1011100100000…
…10000111101001
320202112012200020
411302002013221
5144313030321
613343031053
72255334360
oct562020751
9222465606
1097001961
114a834011
122859b489
1317134014
14cc507d7
1587b14c6
hex5c821e9

97001961 has 8 divisors (see below), whose sum is σ = 147812544. Its totient is φ = 55429680.

The previous prime is 97001951. The next prime is 97001969. The reversal of 97001961 is 16910079.

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

It is not a de Polignac number, because 97001961 - 217 = 96870889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97001969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309550 + ... + 2309591.

It is an arithmetic number, because the mean of its divisors is an integer number (18476568).

Almost surely, 297001961 is an apocalyptic number.

It is an amenable number.

97001961 is a deficient number, since it is larger than the sum of its proper divisors (50810583).

97001961 is a wasteful number, since it uses less digits than its factorization.

97001961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619151.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 97001961 is about 9848.9573559844. The cubic root of 97001961 is about 459.4731854914.

The spelling of 97001961 in words is "ninety-seven million, one thousand, nine hundred sixty-one".

Divisors: 1 3 7 21 4619141 13857423 32333987 97001961