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152130601 = 721732943
BaseRepresentation
bin10010001000101…
…01010000101001
3101121021000221201
421010111100221
5302421134401
623032404201
73525042310
oct1104252051
9347230851
10152130601
1178967a77
1242b46661
132569690c
14162c1277
15d550b01
hex9115429

152130601 has 4 divisors (see below), whose sum is σ = 173863552. Its totient is φ = 130397652.

The previous prime is 152130577. The next prime is 152130611. The reversal of 152130601 is 106031251.

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: 106031251 = 577183763.

It is not a de Polignac number, because 152130601 - 219 = 151606313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152130611) 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, 10866465 + ... + 10866478.

It is an arithmetic number, because the mean of its divisors is an integer number (43465888).

Almost surely, 2152130601 is an apocalyptic number.

It is an amenable number.

152130601 is a deficient number, since it is larger than the sum of its proper divisors (21732951).

152130601 is an equidigital number, since it uses as much as digits as its factorization.

152130601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21732950.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 152130601 is about 12334.1234386559. The cubic root of 152130601 is about 533.8331350778.

Adding to 152130601 its reverse (106031251), we get a palindrome (258161852).

The spelling of 152130601 in words is "one hundred fifty-two million, one hundred thirty thousand, six hundred one".

Divisors: 1 7 21732943 152130601