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1357280157 = 32741165059
BaseRepresentation
bin101000011100110…
…0111001110011101
310111120221222100110
41100321213032131
510234430431112
6342403120233
745430456002
oct12071471635
93446858313
101357280157
11637170742
1231a673079
13188271c6c
14cc3918a9
157e25713c
hex50e6739d

1357280157 has 8 divisors (see below), whose sum is σ = 1810378080. Its totient is φ = 904517840.

The previous prime is 1357280149. The next prime is 1357280179. The reversal of 1357280157 is 7510827531.

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 1357280157 - 23 = 1357280149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357285157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74307 + ... + 90752.

It is an arithmetic number, because the mean of its divisors is an integer number (226297260).

Almost surely, 21357280157 is an apocalyptic number.

It is an amenable number.

1357280157 is a deficient number, since it is larger than the sum of its proper divisors (453097923).

1357280157 is a wasteful number, since it uses less digits than its factorization.

1357280157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167803.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 1357280157 is about 36841.2833245532. The cubic root of 1357280157 is about 1107.1925799787.

The spelling of 1357280157 in words is "one billion, three hundred fifty-seven million, two hundred eighty thousand, one hundred fifty-seven".

Divisors: 1 3 2741 8223 165059 495177 452426719 1357280157