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155414423 = 1791994363
BaseRepresentation
bin10010100001101…
…10111110010111
3101211102212111202
421100312332113
5304241230143
623231023115
73565000163
oct1120667627
9354385452
10155414423
117a80017a
124406aa9b
13262764c8
14168d7ca3
15d99dab8
hex9436f97

155414423 has 8 divisors (see below), whose sum is σ = 157104000. Its totient is φ = 153734328.

The previous prime is 155414419. The next prime is 155414443. The reversal of 155414423 is 324414551.

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 155414423 - 22 = 155414419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155414443) 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, 33440 + ... + 37802.

It is an arithmetic number, because the mean of its divisors is an integer number (19638000).

Almost surely, 2155414423 is an apocalyptic number.

155414423 is a deficient number, since it is larger than the sum of its proper divisors (1689577).

155414423 is a wasteful number, since it uses less digits than its factorization.

155414423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741.

The product of its digits is 9600, while the sum is 29.

The square root of 155414423 is about 12466.5321160297. The cubic root of 155414423 is about 537.6468513837.

Adding to 155414423 its reverse (324414551), we get a palindrome (479828974).

The spelling of 155414423 in words is "one hundred fifty-five million, four hundred fourteen thousand, four hundred twenty-three".

Divisors: 1 179 199 4363 35621 780977 868237 155414423