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69343420 = 2253467171
BaseRepresentation
bin1000010001000…
…01100010111100
311211111000021211
410020201202330
5120222442140
610514134204
71501260256
oct410414274
9154430254
1069343420
1136162813
121b281364
131149ba13
1492d0cd6
15614b2ea
hex42218bc

69343420 has 12 divisors (see below), whose sum is σ = 145621224. Its totient is φ = 27737360.

The previous prime is 69343399. The next prime is 69343427. The reversal of 69343420 is 2434396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69343427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733566 + ... + 1733605.

It is an arithmetic number, because the mean of its divisors is an integer number (12135102).

Almost surely, 269343420 is an apocalyptic number.

It is an amenable number.

69343420 is an abundant number, since it is smaller than the sum of its proper divisors (76277804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69343420 is a wasteful number, since it uses less digits than its factorization.

69343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467180 (or 3467178 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 69343420 is about 8327.2696605790. The cubic root of 69343420 is about 410.8359308270.

The spelling of 69343420 in words is "sixty-nine million, three hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3467171 6934342 13868684 17335855 34671710 69343420