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312340102 = 2156170051
BaseRepresentation
bin10010100111011…
…110111010000110
3210202201112001221
4102213132322012
51114424340402
650554310554
710511563354
oct2247367206
9722645057
10312340102
11150342818
128872845a
134c92b839
142d6a67d4
151c64a337
hex129dee86

312340102 has 4 divisors (see below), whose sum is σ = 468510156. Its totient is φ = 156170050.

The previous prime is 312340087. The next prime is 312340123. The reversal of 312340102 is 201043213.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78085024 + ... + 78085027.

It is an arithmetic number, because the mean of its divisors is an integer number (117127539).

Almost surely, 2312340102 is an apocalyptic number.

312340102 is a deficient number, since it is larger than the sum of its proper divisors (156170054).

312340102 is a wasteful number, since it uses less digits than its factorization.

312340102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156170053.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 312340102 is about 17673.1463525882. The cubic root of 312340102 is about 678.4886430830.

Adding to 312340102 its reverse (201043213), we get a palindrome (513383315).

The spelling of 312340102 in words is "three hundred twelve million, three hundred forty thousand, one hundred two".

Divisors: 1 2 156170051 312340102