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34640004 = 22371512731
BaseRepresentation
bin1000010000100…
…1000010000100
32102011220011010
42010021002010
532331440004
63234242220
7600302160
oct204110204
972156133
1034640004
111860a603
12b726370
13723ac59
144859ca0
153093a89
hex2109084

34640004 has 48 divisors (see below), whose sum is σ = 93019136. Its totient is φ = 9828000.

The previous prime is 34640003. The next prime is 34640027. The reversal of 34640004 is 40004643.

34640004 = T1017 + T1018 + ... + T1079.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (34640003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11319 + ... + 14049.

Almost surely, 234640004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34640004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46509568).

34640004 is an abundant number, since it is smaller than the sum of its proper divisors (58379132).

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

34640004 is a wasteful number, since it uses less digits than its factorization.

34640004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 34640004 is about 5885.5759276387. The cubic root of 34640004 is about 325.9812678210.

Adding to 34640004 its reverse (40004643), we get a palindrome (74644647).

The spelling of 34640004 in words is "thirty-four million, six hundred forty thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 151 302 453 604 906 1057 1812 2114 2731 3171 4228 5462 6342 8193 10924 12684 16386 19117 32772 38234 57351 76468 114702 229404 412381 824762 1237143 1649524 2474286 2886667 4948572 5773334 8660001 11546668 17320002 34640004