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121828152 = 23319267167
BaseRepresentation
bin1110100001011…
…11001100111000
322111020111210210
413100233030320
5222142000102
620031111120
73006344055
oct720571470
9274214723
10121828152
1162850326
12349724a0
131c317084
141227402c
15aa6736c
hex742f338

121828152 has 32 divisors (see below), whose sum is σ = 320601600. Its totient is φ = 38471904.

The previous prime is 121828139. The next prime is 121828153. The reversal of 121828152 is 251828121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121828153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133128 + ... + 134039.

It is an arithmetic number, because the mean of its divisors is an integer number (10018800).

Almost surely, 2121828152 is an apocalyptic number.

121828152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121828152 is an abundant number, since it is smaller than the sum of its proper divisors (198773448).

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

121828152 is a wasteful number, since it uses less digits than its factorization.

121828152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267195 (or 267191 counting only the distinct ones).

The product of its digits is 2560, while the sum is 30.

The square root of 121828152 is about 11037.5790823894. The cubic root of 121828152 is about 495.7345852798.

The spelling of 121828152 in words is "one hundred twenty-one million, eight hundred twenty-eight thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 267167 534334 801501 1068668 1603002 2137336 3206004 5076173 6412008 10152346 15228519 20304692 30457038 40609384 60914076 121828152