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69140484 = 223272379151
BaseRepresentation
bin1000001111100…
…00000000000100
311211002200220200
410013300000010
5120144443414
610505530500
71466453520
oct407600004
9154080820
1069140484
11360342a6
121b1a3a30
131142a53a
14927ad80
15610b109
hex41f0004

69140484 has 144 divisors (see below), whose sum is σ = 212459520. Its totient is φ = 18532800.

The previous prime is 69140483. The next prime is 69140521. The reversal of 69140484 is 48404196.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69140483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 457809 + ... + 457959.

Almost surely, 269140484 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 69140484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106229760).

69140484 is an abundant number, since it is smaller than the sum of its proper divisors (143319036).

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

69140484 is a wasteful number, since it uses less digits than its factorization.

69140484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 69140484 is about 8315.0757062098. The cubic root of 69140484 is about 410.4347638780.

The spelling of 69140484 in words is "sixty-nine million, one hundred forty thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 23 28 36 42 46 63 69 79 84 92 126 138 151 158 161 207 237 252 276 302 316 322 414 453 474 483 553 604 644 711 828 906 948 966 1057 1106 1359 1422 1449 1659 1812 1817 1932 2114 2212 2718 2844 2898 3171 3318 3473 3634 4228 4977 5436 5451 5796 6342 6636 6946 7268 9513 9954 10419 10902 11929 12684 12719 13892 16353 19026 19908 20838 21804 23858 24311 25438 31257 32706 35787 38052 38157 41676 47716 48622 50876 62514 65412 71574 72933 76314 83503 97244 107361 114471 125028 143148 145866 152628 167006 214722 218799 228942 250509 274367 291732 334012 429444 437598 457884 501018 548734 751527 823101 875196 1002036 1097468 1503054 1646202 1920569 2469303 3006108 3292404 3841138 4938606 5761707 7682276 9877212 11523414 17285121 23046828 34570242 69140484