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102987701 = 711450531
BaseRepresentation
bin1100010001101…
…11011110110101
321011210022120022
412020313132311
5202331101301
614115214525
72360244455
oct610673665
9234708508
10102987701
1153152203
122a5a7445
131844b68b
14d96bd65
159094d1b
hex62377b5

102987701 has 4 divisors (see below), whose sum is σ = 104438304. Its totient is φ = 101537100.

The previous prime is 102987697. The next prime is 102987719. The reversal of 102987701 is 107789201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102987701 - 22 = 102987697 is a prime.

It is a house number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102987601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725195 + ... + 725336.

It is an arithmetic number, because the mean of its divisors is an integer number (26109576).

Almost surely, 2102987701 is an apocalyptic number.

It is an amenable number.

102987701 is a deficient number, since it is larger than the sum of its proper divisors (1450603).

102987701 is an equidigital number, since it uses as much as digits as its factorization.

102987701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450602.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 102987701 is about 10148.2856187634. The cubic root of 102987701 is about 468.7361563675.

The spelling of 102987701 in words is "one hundred two million, nine hundred eighty-seven thousand, seven hundred one".

Divisors: 1 71 1450531 102987701