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90062408400 = 2435275052007
BaseRepresentation
bin101001111100000100…
…0110100101011010000
322121110121022101100120
41103320020310223100
52433421434032100
6105212445550240
76335554561146
oct1237010645320
9277417271316
1090062408400
1135216977488
1215555875380
138653a33523
144505305596
152521aa80a0
hex14f8234ad0

90062408400 has 60 divisors (see below), whose sum is σ = 288499918752. Its totient is φ = 24016641920.

The previous prime is 90062408377. The next prime is 90062408407. The reversal of 90062408400 is 480426009.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×900624084002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90062408407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37524804 + ... + 37527203.

Almost surely, 290062408400 is an apocalyptic number.

It is an amenable number.

90062408400 is an abundant number, since it is smaller than the sum of its proper divisors (198437510352).

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

90062408400 is a wasteful number, since it uses less digits than its factorization.

90062408400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75052028 (or 75052017 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 90062408400 in words is "ninety billion, sixty-two million, four hundred eight thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 75052007 150104014 225156021 300208028 375260035 450312042 600416056 750520070 900624084 1125780105 1200832112 1501040140 1801248168 1876300175 2251560210 3002080280 3602496336 3752600350 4503120420 5628900525 6004160560 7505200700 9006240840 11257801050 15010401400 18012481680 22515602100 30020802800 45031204200 90062408400