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152101553 = 236613111
BaseRepresentation
bin10010001000011…
…10001010110001
3101121012120002212
421010032022301
5302414222203
623032021505
73524561522
oct1104161261
9347176085
10152101553
117894816a
1242b31895
1325686626
14162b4849
15d5471d8
hex910e2b1

152101553 has 4 divisors (see below), whose sum is σ = 158714688. Its totient is φ = 145488420.

The previous prime is 152101511. The next prime is 152101589. The reversal of 152101553 is 355101251.

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.

It is a cyclic number.

It is not a de Polignac number, because 152101553 - 28 = 152101297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 6613111 = 152101553 / (1 + 5 + 2 + 1 + 0 + 1 + 5 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152101753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3306533 + ... + 3306578.

It is an arithmetic number, because the mean of its divisors is an integer number (39678672).

Almost surely, 2152101553 is an apocalyptic number.

It is an amenable number.

152101553 is a deficient number, since it is larger than the sum of its proper divisors (6613135).

152101553 is an equidigital number, since it uses as much as digits as its factorization.

152101553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613134.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 152101553 is about 12332.9458362550. The cubic root of 152101553 is about 533.7991560013.

The spelling of 152101553 in words is "one hundred fifty-two million, one hundred one thousand, five hundred fifty-three".

Divisors: 1 23 6613111 152101553