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100260901 = 1373105649
BaseRepresentation
bin1011111100111…
…01110000100101
320222122210002201
411332131300211
5201131322101
613540534501
72325126556
oct576356045
9228583081
10100260901
115165a554
12296b1431
1317a054a0
14d45c32d
158c06e01
hex5f9dc25

100260901 has 8 divisors (see below), whose sum is σ = 109453400. Its totient is φ = 91279872.

The previous prime is 100260899. The next prime is 100260959. The reversal of 100260901 is 109062001.

It can be written as a sum of positive squares in 4 ways, for example, as 18792225 + 81468676 = 4335^2 + 9026^2 .

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 100260901 - 21 = 100260899 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 (100260971) 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, 51876 + ... + 53773.

It is an arithmetic number, because the mean of its divisors is an integer number (13681675).

Almost surely, 2100260901 is an apocalyptic number.

It is an amenable number.

100260901 is a deficient number, since it is larger than the sum of its proper divisors (9192499).

100260901 is a wasteful number, since it uses less digits than its factorization.

100260901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105735.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 100260901 is about 10013.0365524151. The cubic root of 100260901 is about 464.5621978699.

The spelling of 100260901 in words is "one hundred million, two hundred sixty thousand, nine hundred one".

Divisors: 1 13 73 949 105649 1373437 7712377 100260901