Search a number
-
+
151655023 = 1324143509
BaseRepresentation
bin10010000101000…
…01001001101111
3101120100212120201
421002201021233
5302310430043
623014254331
73521021632
oct1102411157
9346325521
10151655023
1178672733
12429573a7
132555b300
14161d9c19
15d4a9c4d
hex90a126f

151655023 has 24 divisors (see below), whose sum is σ = 172473840. Its totient is φ = 133136640.

The previous prime is 151654999. The next prime is 151655047. The reversal of 151655023 is 320556151.

It is an interprime number because it is at equal distance from previous prime (151654999) and next prime (151655047).

It is not a de Polignac number, because 151655023 - 25 = 151654991 is a prime.

It is a super-2 number, since 2×1516550232 = 45998492002261058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151654982 and 151655000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151655083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297693 + ... + 298201.

It is an arithmetic number, because the mean of its divisors is an integer number (7186410).

Almost surely, 2151655023 is an apocalyptic number.

151655023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

151655023 is a deficient number, since it is larger than the sum of its proper divisors (20818817).

151655023 is a wasteful number, since it uses less digits than its factorization.

151655023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 151655023 is about 12314.8293938649. The cubic root of 151655023 is about 533.2762795305.

The spelling of 151655023 in words is "one hundred fifty-one million, six hundred fifty-five thousand, twenty-three".

Divisors: 1 13 41 43 169 509 533 559 1763 6617 6929 7267 20869 21887 22919 86021 271297 284531 297947 897367 3526861 3698903 11665771 151655023