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1470157 = 13113089
BaseRepresentation
bin101100110111011001101
32202200200021
411212323031
5334021112
651302141
715332113
oct5467315
92680607
101470157
11914607
125aa951
133c6220
142a3ab3
151e0907
hex166ecd

1470157 has 4 divisors (see below), whose sum is σ = 1583260. Its totient is φ = 1357056.

The previous prime is 1470151. The next prime is 1470173. The reversal of 1470157 is 7510741.

1470157 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 427716 + 1042441 = 654^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 1470157 - 23 = 1470149 is a prime.

It is a super-2 number, since 2×14701572 = 4322723209298, which contains 22 as substring.

It is an Ulam number.

It is the 1213-rd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1470151) by changing a digit.

It is a nontrivial repunit in base 1212.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56532 + ... + 56557.

It is an arithmetic number, because the mean of its divisors is an integer number (395815).

21470157 is an apocalyptic number.

It is an amenable number.

1470157 is a deficient number, since it is larger than the sum of its proper divisors (113103).

1470157 is a wasteful number, since it uses less digits than its factorization.

1470157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113102.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 1470157 is about 1212.5003092783. The cubic root of 1470157 is about 113.7071843047.

Adding to 1470157 its reverse (7510741), we get a palindrome (8980898).

The spelling of 1470157 in words is "one million, four hundred seventy thousand, one hundred fifty-seven".

Divisors: 1 13 113089 1470157