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88740040 = 2356413461
BaseRepresentation
bin1010100101000…
…01000011001000
320011222110110011
411102201003020
5140204140130
612450001304
72125164214
oct522410310
9204873404
1088740040
1146100784
1225876234
13155005cc
14badd944
157bcd52a
hex54a10c8

88740040 has 32 divisors (see below), whose sum is σ = 200034360. Its totient is φ = 35430400.

The previous prime is 88740037. The next prime is 88740101. The reversal of 88740040 is 4004788.

It can be written as a sum of positive squares in 4 ways, for example, as 75794436 + 12945604 = 8706^2 + 3598^2 .

It is a junction number, because it is equal to n+sod(n) for n = 88739984 and 88740011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23910 + ... + 27370.

Almost surely, 288740040 is an apocalyptic number.

It is an amenable number.

88740040 is an abundant number, since it is smaller than the sum of its proper divisors (111294320).

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

88740040 is a wasteful number, since it uses less digits than its factorization.

88740040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113 (or 4109 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 88740040 is about 9420.1932039635. The cubic root of 88740040 is about 446.0393833321.

The spelling of 88740040 in words is "eighty-eight million, seven hundred forty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 641 1282 2564 3205 3461 5128 6410 6922 12820 13844 17305 25640 27688 34610 69220 138440 2218501 4437002 8874004 11092505 17748008 22185010 44370020 88740040