Search a number
-
+
100385053 = 607165379
BaseRepresentation
bin1011111101111…
…00000100011101
320222220002101221
411332330010131
5201144310203
613543333341
72326154536
oct576740435
9228802357
10100385053
115173485a
1229751251
1317a49b52
14d49168d
158c2dabd
hex5fbc11d

100385053 has 4 divisors (see below), whose sum is σ = 100551040. Its totient is φ = 100219068.

The previous prime is 100385029. The next prime is 100385057. The reversal of 100385053 is 350583001.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 350583001 = 2912089069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100385053 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 (100385057) 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, 82083 + ... + 83296.

It is an arithmetic number, because the mean of its divisors is an integer number (25137760).

Almost surely, 2100385053 is an apocalyptic number.

It is an amenable number.

100385053 is a deficient number, since it is larger than the sum of its proper divisors (165987).

100385053 is an equidigital number, since it uses as much as digits as its factorization.

100385053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165986.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 100385053 is about 10019.2341523691. The cubic root of 100385053 is about 464.7538729068.

The spelling of 100385053 in words is "one hundred million, three hundred eighty-five thousand, fifty-three".

Divisors: 1 607 165379 100385053