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154013701 = 1492414289
BaseRepresentation
bin10010010111000…
…01000000000101
3101201210201002011
421023201000011
5303411414301
623141014221
73550044352
oct1113410005
9351721064
10154013701
1179a33856
12436b4371
1325ba5a8a
1416651629
15d7c3a51
hex92e1005

154013701 has 8 divisors (see below), whose sum is σ = 155727000. Its totient is φ = 152309760.

The previous prime is 154013663. The next prime is 154013723. The reversal of 154013701 is 107310451.

It can be written as a sum of positive squares in 4 ways, for example, as 45832900 + 108180801 = 6770^2 + 10401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154013701 - 215 = 153980933 is a prime.

It is a super-3 number, since 3×1540137013 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154014701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33765 + ... + 38053.

It is an arithmetic number, because the mean of its divisors is an integer number (19465875).

Almost surely, 2154013701 is an apocalyptic number.

It is an amenable number.

154013701 is a deficient number, since it is larger than the sum of its proper divisors (1713299).

154013701 is a wasteful number, since it uses less digits than its factorization.

154013701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 154013701 is about 12410.2256627347. The cubic root of 154013701 is about 536.0267364791.

The spelling of 154013701 in words is "one hundred fifty-four million, thirteen thousand, seven hundred one".

Divisors: 1 149 241 4289 35909 639061 1033649 154013701