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155145006 = 2328619167
BaseRepresentation
bin10010011111101…
…01001100101110
3101210221011221100
421033311030232
5304204120011
623221143530
73562465542
oct1117651456
9353834840
10155145006
117a636815
1243b5aba6
13261b09a3
1416867a22
15d948d56
hex93f532e

155145006 has 12 divisors (see below), whose sum is σ = 336147552. Its totient is φ = 51714996.

The previous prime is 155144993. The next prime is 155145007. The reversal of 155145006 is 600541551.

It is a happy number.

155145006 is a `hidden beast` number, since 155 + 1 + 4 + 500 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155145007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4309566 + ... + 4309601.

It is an arithmetic number, because the mean of its divisors is an integer number (28012296).

Almost surely, 2155145006 is an apocalyptic number.

155145006 is an abundant number, since it is smaller than the sum of its proper divisors (181002546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155145006 is a wasteful number, since it uses less digits than its factorization.

155145006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619175 (or 8619172 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 155145006 is about 12455.7218177029. The cubic root of 155145006 is about 537.3359943830.

Adding to 155145006 its reverse (600541551), we get a palindrome (755686557).

It can be divided in two parts, 155 and 145006, that added together give a square (145161 = 3812).

The spelling of 155145006 in words is "one hundred fifty-five million, one hundred forty-five thousand, six".

Divisors: 1 2 3 6 9 18 8619167 17238334 25857501 51715002 77572503 155145006