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429507157 is a prime number
BaseRepresentation
bin11001100110011…
…100001001010101
31002221012020001111
4121212130021111
51334423212112
6110341455021
713433515312
oct3146341125
91087166044
10429507157
1120049a0a2
12bba11471
136aca3161
1441085d09
1527a915a7
hex1999c255

429507157 has 2 divisors, whose sum is σ = 429507158. Its totient is φ = 429507156.

The previous prime is 429507151. The next prime is 429507181. The reversal of 429507157 is 751705924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286489476 + 143017681 = 16926^2 + 11959^2 .

It is a cyclic number.

It is not a de Polignac number, because 429507157 - 227 = 295289429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429507151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214753578 + 214753579.

It is an arithmetic number, because the mean of its divisors is an integer number (214753579).

Almost surely, 2429507157 is an apocalyptic number.

It is an amenable number.

429507157 is a deficient number, since it is larger than the sum of its proper divisors (1).

429507157 is an equidigital number, since it uses as much as digits as its factorization.

429507157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 429507157 is about 20724.5544463566. The cubic root of 429507157 is about 754.4957567513.

The spelling of 429507157 in words is "four hundred twenty-nine million, five hundred seven thousand, one hundred fifty-seven".